The Nut,plain,round, cataloged under National Stock Number 5310-00-558-3030, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Smiths Detection Inc. Dba Smiths Detection Inc Casc. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-558-3030 |
| Primary Part Number | 514005 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Smiths Detection Inc. Dba Smiths Detection Inc Casc |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | ASTM B16,COND 1/2 HARD ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Drive Point Width | 0.051 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.138 INCHES IN |
| Nut Diameter | 0.217 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN |
| Drive Point Depth | 0.080 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN |
| Nut Thickness | 0.625 INCHES NOMINAL IN |
| Surface Treatment | NICKEL OVERALL |
| Drive Point Quantity | 2 |
| Nut Style | ROUND |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | COPPER ALLOY 360 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 514005 PRIMARY | Smiths Detection Inc. Dba Smiths Detection Inc Casc (USA) |
| Reference | Meaning |
|---|---|
| A514005 | 5/9 Secondary reference U.S. Government activity |
| 514005 | 5/9 Secondary reference Bendix Corp the |
| R878BT207 | 5/9 Secondary reference Dorer Engineering Inc Dba O J Rodgers Company |
| A514005 | 5/9 Secondary reference Smiths Detection Inc. Dba Smiths Detection Inc Casc |
| 514005 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-558-3030 is a Nut,plain,round, manufactured by Smiths Detection Inc. Dba Smiths Detection Inc Casc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-558-3030 has 1 manufacturer part number on file: 514005 (Smiths Detection Inc. Dba Smiths Detection Inc Casc).
3 possible matches (shared part number, not a government interchangeability claim): 4130-00-608-4294, 5340-00-631-2756, 4730-01-626-1260. Verify interchangeability with system specifications before substitution.
Key specifications for 514005: Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: ASTM B16,COND 1/2 HARD ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Drive Point Width: 0.051 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND. 14 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.